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Finding the Fourth Proportional to 7,902.41, 10,898.06 and 7,274.25

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Solution

The fourth proportional to 7,902.41, 10,898.06 and 7,274.25 is: 10,031.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.41 : 10,898.06 = 7,274.25 : x
  2. Step 2: Convert to fraction form
    7,902.41/10,898.06 = 7,274.25/x
  3. Step 3: Cross multiply
    7,902.41x = 10,898.06 × 7,274.25
  4. Step 4: Simplify right side
    7,902.41x = 79,275,176.58
  5. Step 5: Solve for x
    x = 79,275,176.58/7,902.41
  6. Step 6: Final answer
    x = 10,031.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.